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[In the case of "Pulse" input]
Connector
Input signal
Ch1
CNA01 or CNA02
Ch2
* The last command has priority.
* The indoor units within the same remote controller group operates in the same mode.
● When function setting is "Emergency stop" mode.
[In the case of "Edge" input]
Connector
Input signal
Ch1 of CNA01 or CNA02
[In the case of "Pulse" input]
Connector
Input signal
Ch1
CNA01 or CNA02
Ch2
* All indoor units of same refrigerant system stops when Emergency stop operates.
● When function setting is "Forced stop" mode.
[In the case of "Edge" input]
Connector
Input signal
Ch1 of CNA01 or CNA02
[In the case of "Pulse" input]
Connector
Input signal
Ch1
CNA01 or CNA02
Ch2
* When the forced stop is triggered, indoor unit stops and Operation/Stop operation by a
remote controller is restricted.
* When forced stop function is used with forming a remote controller group, connect the
same equipment to each indoor unit within the group.
• Selection method of functions
"Operation/Stop" mode or "Emergency stop" mode, "Forced stop" mode can be selected
with function setting of indoor unit.
● Forced thermostat off function
["Edge" input only]
Connector
Input signal
Ch3 of CNA03 or CNA04
6.7.2 External output
• A twisted pair cable (22AWG) should be used. Maximum length of cable is 82 ft (25 m).
• Use an external input and output cable with appropriate external dimension, depending
on the number of cables to be installed.
• Output voltage: Hi DC12V±2V, Lo 0V.
• Permissible current: 50mA
Output select
● When indicator etc. are connected directly
Indicator 1
Indicator 2
Indicator 3
Indicator 4
connected unit
● When connecting with unit equipped with a power supply
Connected
device 1
Connected
device 2
Connected
device 3
Connected
device 4
connected unit
Relay (Locally purchased)
Command
OFF → ON
Operation
OFF → ON
Stop
Command
OFF → ON
Emergency stop
ON → OFF
Normal
Command
OFF → ON
Emergency stop
OFF → ON
Normal
Command
OFF → ON
Forced stop
ON → OFF
Normal
Command
OFF → ON
Forced stop
OFF → ON
Normal
Command
OFF → ON
Thermostat off
ON → OFF
Normal
P.C.B
P.C.B
Operation behavior
* If function setting "60" is set to "00"
Connector
External output 1
External output 2
CNB01
External output 3
External output 4
● Indoor unit fan setting for external heater
Fan setting when turning ON output to the connected external heater can be set by
changing Dip switch on PC board.
Dip switch
[SET2 SW3]
OFF
(Factory setting)
ON
6.8. Remote sensor (Optional parts)
Connection method
• Remove the existing connector and replace it with the remote sensor connector (ensure
that the correct connector is used).
• The original connector should be insulated to ensure that it does not come into contact
with other electrical circuitry.
• Use conduit hole when external output cable is used.
Setting for room temperature correction
When a remote sensor is connected, set the function setting of indoor unit as indicated
below.
• Function Number "30":
Set the Setting Number to "00". (Default)
• Function Number "31":
Set the Setting Number to "02".
* Refer to "7.6. Function setting" for details about Function Number and Setting Number
6.9. IR receiver unit (Optional parts)
• For the installation method, please refer to the INSTALLATION MANUAL of IR receiver
unit.
Connection method
• Use 7 pins for receiver unit cable.
• At first, connect the receiver unit cable to the controller PCB.
• Attach the core that comes between controller PCB and the clamp.
• Use conduit hole when external output cable is used.
7. FIELD SETTING
There are 3 methods for address setting by FIELD SETTING as follows.
Please set by either of the methods.
Each setting method is described in below (1) to (3).
(1) IU AD, REF AD SW settings: This section (7.1. Setting the address)
(2) Remote controller settings:
(3) Automatic address settings: Refer to the outdoor unit manual for detailed setting
CNB
7.1. Setting the address
01
Manual address setting method
• If the receiver unit is attached, the indoor unit address and the refrigerant circuit address
can also be set up through the wireless remote controller.
Use an insulated screwdriver to set the DIP switches.
CNB
01
Rotary switch
Example: "0"
Output voltage
0V
Stop
Pins 1-2
DC 12 V
Operation
0V
Normal
Pins 1-3
DC 12 V
Error
0V
Indoor unit fan stop
Pins 1-4
DC 12 V
Indoor unit fan operation
0V
External heater OFF
Pins 1-5
DC 12 V
External heater ON
Fan setting when
ON is output to the
Explanation
external heater
OFF
For the fan setting details, see the
Design & Technical Manual.
ON
Refer to the wired or wireless remote controller manual
for detailed setting information. (Set IU AD, REF AD
SW to 0)
information. (Set IU AD, REF AD SW to 0)
CAUTION
Status
Rotary switch
Example: "0"
En-12
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